JPH07279551A - Waterproof device - Google Patents

Abstract

PURPOSE:To speedily open and close even in case of a large waterproof door, by installing a device equipped with the waterproof door for opening and closing an entrance/exit in emergency, gas pressure type driving means, and a gas feeding means, at the inside or outside entrance/exit and opening and closing the waterproof door by operating the driving means by the gas pressure in emergency. CONSTITUTION:On the reverse surface of a waterproof door 2, the top end parts of the piston rods 4a and 4b of the air cylinders 3a and 3b are connected in a turnable manner through the joints 5a and 5b. Inside an accommodation chamber P, replaceable type compressed air cylinders 14a and 14b and air cylinders 3a and 3b are accommodated in parallel. The waterproof door 2 is erected from a floor surface by operating the piston rods 4a and 4b of the air cylinders 3a and 3b, by the gas pressure supplied from the compressed air cylinders 14a and 14b, and the end parts on both the sides are brought into contact with the chamber outside surfaces of the pillars 1a and 1b, and the lower end parts are press-attached with the inner wall upper end surface of an accommodation chamber P. Further, the initial erection operation of the waterpfoof door 2 is assisted by a gas pressure type auxiliary erecting mechanism 6. Accordingly, the speedy opening and closing are enabled even in case of a large waterproof door, and the light weight and compact structure can be obtained without being restrained according to the installation place, and the installation labor can be reduced, and the sure operation is achieved even in case of electric failure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof device provided at the entrances and exits of a building, an underground parking lot, and the inside of a subway to prevent water from entering the building.

[0002]

BACKGROUND OF THE INVENTION In recent years, in urban areas, water damage due to flooding of rivers, especially inundation inside buildings, often causes great damage, and countermeasures against such damage are an important issue. Currently, as a waterproof device to prevent water from entering the building,
The mainstream is a waterproof door that is driven by a hydraulic mechanism and is configured to block the entrance and exit of a building.

As is well known, this device supplies pressure oil obtained by an electric pump to a cylinder, thereby driving a waterproof door. And since it can obtain a large driving force, it has the feature that it can be opened and closed regardless of the size of the waterproof door, but since the electric pump occupies a large volume, for example, the space under the floor is limited. It is difficult to install it in a well-placed place, and the actual installation takes a lot of time.

On the other hand, a device has been proposed in which the driving force of an electric motor is converted into a linear driving force by using a crank mechanism or a jack-up mechanism using a trapezoidal screw without using a hydraulic mechanism, thereby opening and closing a waterproof door. However, in general, an electric mechanism cannot obtain such a large driving force, and thus is not suitable for opening and closing a heavy-weight and large-sized waterproof door. In addition, the same can be said for the hydraulic type equipped with the electric pump, but since it is basically electric drive, it is weak against water and in an emergency situation where a waterproof door must be used. It is highly possible that the main body of the device will be flooded, and in the event of a power failure, a small waterproof door can barely be used by manual operation, but a heavy one will not be usable, and reliability will be great. There was a problem.

[0005]

DISCLOSURE OF THE INVENTION It is an object of the present invention to enable quick opening and closing even if the size and weight of a waterproof door are large, and yet it is lightweight and compact so that the installation location is not restricted and installation is possible. It is also an object of the present invention to provide a highly reliable waterproof device which requires only a small amount of time and can reliably operate even in an emergency such as a power failure.

An object of the present invention is a device which is installed at an external or internal entrance of a structure and is used for preventing water intrusion, the lower end of which is rotatably supported on the floor side of the structure. A waterproof door that closes the entrance and exit of the structure in the event of an emergency, and a gas pressure type driving means that closes the waterproof door,
A gas body supply means for supplying a gas body to the drive means, wherein the drive means is operated by the pressure of the gas body, and the waterproof door is closed. Achieved by a waterproofing device.

That is, in the waterproof device of the present invention, since the waterproof door is operated by the high pressure gas body,
A bulky thing such as a pump is not required, and the structure of the drive unit can be made extremely simple and compact. And, if the gas body is filled in the container with the required pressure in advance, a driving force similar to that of the hydraulic type can be generated, and there is no problem even if the waterproof door has a large size and a large weight. Without this, it will be possible to drive this.

Further, since the energy of the gas body filled with high pressure is used, the waterproof door can be driven at any time regardless of power failure and the like, and the reliability is very high.
The gas body supply means preferably comprises a replaceable container filled with a gas body, and the drive means is operated by receiving the gas body supply from the container, Further, it is preferable that at least two or more independent drive means are provided, and gas body supply means independent from each other are provided corresponding to each of the drive means. For example, the container is a cartridge type, If one is provided for each independent drive means, even if one is inoperable, the waterproof door can be driven by the operation of the other, and a more reliable operation is guaranteed. become.

Further, the gas pressure type driving means is provided with a direct acting type gas pressure type cylinder, and in a state where the waterproof door is stored, the gas pressure type cylinder is placed in the storage chamber so as to be substantially parallel to the waterproof door. It is preferable that the gas pressure type cylinder and the container filled with the gas body are arranged side by side in a horizontal direction in a storage chamber formed in a lower space when the waterproof door is closed. As a result, the storage space can be reduced, and in particular, the depth can be greatly reduced, and the excavation work and the like performed at the time of installation can be simplified.

Further, it is preferable to include a gas pressure type auxiliary drive means for assisting the initial raising operation of the waterproof door. Particularly, the auxiliary drive means is a gas pressure type cylinder which expands and contracts by gas pressure and the gas pressure type cylinder. And a lever member that is rotated by the expansion and contraction operation of the cylinder, and the lever member is rotated in a state where the action point side end of the lever member is in contact with the back surface of the waterproof door. It is preferable that it is configured to rise from the floor surface by a predetermined angle, so that the gas pressure type cylinder that generates the main driving force can be installed in the storage room so as to be substantially parallel to the waterproof door, and it is compact. (Thinning). And the construction cost will be low. Further, even when the waterproof door is thinned, when the waterproof door is raised, the thrust of the gas pressure type cylinder that generates the main driving force surely acts in the direction of rotating the waterproof door, which is efficient. The operation of the device is possible.

It is preferable to use compressed air as the gas body, but in addition to this, an inert gas such as nitrogen gas or carbon dioxide gas can be appropriately used.

[0012]

1 to 7 show an embodiment of a waterproof device according to the present invention. FIG. 1 is a plan view of the waterproof device with a waterproof door removed, and FIG. X-ray cross-sectional view, FIG. 3 is a cross-sectional view of the waterproof device taken along line YY, FIG. 4 is a cross-sectional view of the waterproof device taken along line ZZ, and FIG. 5 is a cross-sectional view showing the rising start state of the waterproof door. FIG. 6 is a cross-sectional view showing a state where the waterproof door is in the middle of rising, and FIG. 7 is a cross-sectional view showing a state where the waterproof door is completely lifted.

In each of the drawings, B is a basic structure installed on the ground at the entrance and exit of the building for installing the device, and a storage room P for accommodating the waterproof device is formed in the upper part thereof.
The surface of the basic structure B is covered with a stainless plate, and the surface of a lid (waterproof door described later) covering the opening of the storage chamber P is covered with marble. Numerals 1a and 1b are columns standing from the foundation structure B, and 2 is a waterproof door, and the lower end of the waterproof door 2 is rotatably connected to the foundation structure B, for example, has a hinge-like structure. It is attached by the mechanism.

As shown by the phantom line in FIG. 2, the waterproof door 2 is raised from the floor surface by an air drive mechanism described later, and both side ends thereof are stored on the outdoor side surfaces of the columns 1a and 1b, and the lower end portions thereof are stored. The upper end surface of the inner wall of the chamber P can be pressed. Three
Reference numerals a and 3b are air cylinders, and the tip ends of the piston rods 4a and 4b are rotatably connected to the back surface of the waterproof door 2 through joints 5a and 5b. or,
When the waterproof door 2 is not used, the air cylinders 3a and 3b are stored in the storage chamber P in a state substantially parallel to the waterproof door 2 in order to save space, as shown in FIG.

Reference numeral 6 denotes an auxiliary raising mechanism, which has an arm 7a supported on the bottom surface of the storage chamber P such that one end thereof is rotatable.
7b, plates 8a, 8b provided at the other ends of these arms 7a, 7b, and rodless air cylinders 9a, 9b for driving the arms 7a, 7b. Reference numerals 10a and 10b (10b is not shown) are movable tables 11a and 11b which are vertically displaced by air pressure provided on the side surfaces of the rodless air cylinders 9a and 9b.
(11b is not shown) is an extension piece provided at the upper end of the movable table 10a, 10b, and 12a, 12b (12b is not shown) is a latch pin that vertically projects from the extension piece 11a, 11b. is there.

The engagement between the arms 7a, 7b and the rodless air cylinders 9a, 9b is as shown in FIG. 4, that is, the latch pins 12a, 12b are formed in the grooves 7a, 13b formed in the arms 7a, 7b. (13b is not shown), and the movable tables 10a and 10b are displaced upward by the operation of the rodless air cylinders 9a and 9b.
Along with this, the latch pins 12a, 12b are inserted into the grooves 13a, 13
The arms 7a and 7b are rotated while moving inside b, and the plates 8a and 8b contacting the back surface of the waterproof door 2 are slid to push up the waterproof door 2 to a predetermined height.

The rodless air cylinders 9a and 9b are used as the drive source of the auxiliary raising mechanism 6 because the depth of the storage chamber P is made as small as possible while the stroke is made as large as possible. Further, the strokes of the rodless air cylinders 9a and 9b are enlarged by the action of the arms 7a and 7b that act as levers, and the rising amount of the waterproof door 2 is further increased.

14a and 14b are compressed air cylinders,
As shown in FIG. 2, in order to save space, the air cylinders 3a and 3b and the compressed air cylinders 14a and 14b are stored in the storage chamber P in a horizontal row. The pressure of the compressed air filled in the compressed air cylinders 14a and 14b is 0.7 MPa (about 7 atm), and the compressed air cylinders 14a and 14b are exchangeable, so once the waterproof door is used. It may be possible to consume all of the stored energy by raising 2, that is, the product of the volume of compressed air and the filling pressure causes the waterproof door to resist gravity load, friction resistance, and inertial resistance. The capacities of the compressed air cylinders 14a and 14b are selected so as to be larger than the work required to start up.

However, it is preferable that the waterproof door 2 can be raised only by the energy stored in one cylinder in consideration of the case where one of them is inoperable. Reference numerals 15a and 15b are air cocks having an automatic opening function, and an air hose 16a extending from the air cock 15a.
Is connected to the rodless air cylinder 9a, the air hose 17a is connected to the end side port of the air cylinder 3a, and the air hose 18a is connected to the head side port of the air cylinder 3a.

Similarly, an air hose 16b extending from the air cock 15b is attached to the rodless air cylinder 9b, and
The air hose 17b is connected to the end side port of the air cylinder 3b, and the air hose 18b is connected to the head side port of the air cylinder 3b. 19 is an air cock 15
It is a switch for opening a and 15b.

That is, in the waterproof device constructed as described above, the switch 19 is operated to operate the air cocks 15a, 1a.
When 5b is opened, first the rodless air cylinder 9
Compressed air is sent from the compressed air cylinders 14a and 14b to a and 9b, whereby the waterproof door 2 is slightly lifted by the action of the lifting assist mechanism 6 as described above, as shown in FIG.

The compressed air is sent to the air cylinders 3a, 3b slightly later than this, but the moment of the counterclockwise direction in the figure is applied to the waterproof door 2 by the action of the raising assist mechanism 6. The air cylinder 3
The thrusts a and 3b also act as counterclockwise moments for rotating the waterproof door 2. The waterproof door 2 rotates as shown by the arrow in FIG. 6 as the pistol rods 4a, 4b move forward, and finally the waterproof door 2 is pressed against the pillars 1a, 1b as shown in FIG. The waterproof effect comes to be exhibited.

At the time of storage, the air cocks 15a, 15b are operated again, so that compressed air is sent from the ports on the head side to the air cylinders 3a, 3b, and air is supplied from the ports on the end side, contrary to the time of raising. Is discharged into the atmosphere, the air cylinders 3a and 3b retract, and the waterproof door 2 returns to its original position so as to cover the opening of the storage chamber P.

In an unmanned state such as at night, when a sensor placed at a predetermined position inside or outside the building detects a sign of water infiltration, the air cocks 15a and 15b are automatically operated to operate the waterproof door 2. . As described above, in the waterproof device of the present invention, since the waterproof door is configured to be raised by compressed air, a bulky object such as a pump is unnecessary,
Since the structure of the drive unit is extremely simple, the device is lightweight and compact.

Moreover, if a cylinder filled with a high pressure is used as necessary, the waterproof door can be driven without any problem even if it has a large weight and a large size, and the waterproof door can be driven even during a power failure. Is possible and very reliable. And
With this waterproof device, the size of the device itself, in particular the height dimension, can be made significantly smaller than conventional ones, so a small storage space is sufficient, and the amount of ground excavated during installation is greatly reduced. It is possible to perform the work easily even when it is installed in a newly constructed building or when it is installed in an existing building, and it is possible to reduce the construction period and cost.

[0026]

[Effect] According to the present invention, even if the size and weight of the waterproof door are large, it can be opened and closed quickly, and is lightweight.
Moreover, it is compact and does not limit the installation location,
It takes a little time and effort to install, and is reliable and reliable even in an emergency such as a power failure.

[Brief description of drawings]

FIG. 1 is a plan view of a waterproof device with a waterproof door removed.

FIG. 2 is a cross-sectional view of the waterproof device taken along line XX.

FIG. 3 is a cross-sectional view of the waterproof device taken along line YY.

FIG. 4 is a sectional view of the waterproof device taken along line ZZ.

FIG. 5 is a cross-sectional view showing a rising start state of the waterproof door.

FIG. 6 is a cross-sectional view showing a state where the waterproof door is in the middle of rising.

FIG. 7 is a cross-sectional view showing a state where the raising of the waterproof door is completed.

[Explanation of symbols]

 B Foundation structure P Storage chamber 1a, 1b Pillar 2 Waterproof door 3a, 3b Air cylinder 6 Auxiliary raising mechanism 7a, 7b Arm 8a, 8b Plate 9a, 9b Rodless air cylinder 12a, 12b Locking pin 13a, 13b Groove 14a , 14b Compressed air cylinder 15a, 15b Air cock 19 Switch

Claims (8)

[Claims] 1. A device which is installed at an exterior or interior entrance of a structure and is used for preventing water infiltration, wherein the lower end is rotatably supported on the floor side of the structure in an emergency. It comprises a waterproof door for closing the entrance and exit of the structure, a gas pressure type driving means for closing the waterproof door, and a gas body supplying means for supplying a gas body to the driving means. A waterproof device, characterized in that the driving means is operated to close the waterproof door. 2. The gas body supply means comprises a replaceable container having a gas body filled therein, and the drive means is operated by receiving the gas body supply from the container. The waterproof device according to claim 1, wherein: 3. The method according to claim 1, further comprising at least two drive means independent from each other, and gas body supply means independent from each other provided corresponding to each drive means. The waterproof device according to claim 2. 4. The gas pressure type driving means comprises a direct acting type gas pressure type cylinder, and when the waterproof door is stored, the gas pressure type cylinder is placed in the storage chamber so as to be substantially parallel to the waterproof door. It is provided, It is characterized by the above-mentioned.
The waterproof device according to claim 3. 5. A gas pressure type cylinder and a container filled with a gas body are arranged in a horizontal direction in a storage chamber formed in a lower space when the waterproof door is closed. ~ The waterproof device according to claim 4. 6. The waterproof device according to claim 1, further comprising a gas pressure type auxiliary driving means for assisting an initial rising operation of the waterproof door. 7. The auxiliary driving means comprises a gas pressure type cylinder that expands and contracts by gas pressure, and a lever member that is rotated by the expansion and contraction operation of the gas pressure type cylinder. 7. The waterproof door is configured to be raised from a floor surface by a predetermined angle by rotating the lever member while being in contact with the back surface of the waterproof door. The waterproof device according to any one of 1. 8. The waterproof device according to claim 1, wherein the gas body is compressed air.